src/timesource.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Contact:
   4  *   Moonlight List (moonlight-list@lists.ximian.com)
   5  *
   6  * Copyright 2007 Novell, Inc. (http://www.novell.com)
   7  *
   8  * See the LICENSE file included with the distribution for details.
   9  *
  10  */
  11
  12 #include <config.h>
  13
  14 #include <glib.h>
  15
  16 #include <stdlib.h>
  17 #include <string.h>
  18 #ifdef HAVE_SYS_TIME_H
  19 #include <sys/time.h>
  20 #endif
  21 #include <time.h>
  22
  23 #include "timesource.h"
  24
  25 #ifdef _MSC_VER
  26 #include "Winsock2.h"
  27
  28 static int
  29 gettimeofday (struct timeval *tv, void *tz)
  30 {
  31         long int l = GetTickCount ();
  32
  33         tv->tv_sec = l / 1000;
  34         tv->tv_usec = (l % 1000) * 1000;
  35         return 0;
  36 }
  37 #endif // _MSC_VER
  38
  39
  40 TimeSpan
  41 get_now (void)
  42 {
  43         struct timeval tv;
  44         TimeSpan res;
  45 #ifdef CLOCK_MONOTONIC
  46         struct timespec tspec;
  47         if (clock_gettime (CLOCK_MONOTONIC, &tspec) == 0) {
  48                 res = (TimeSpan)((gint64)tspec.tv_sec * 10000000 + tspec.tv_nsec / 100);
  49                 return res;
  50         }
  51 #endif
  52
  53         if (gettimeofday (&tv, NULL) == 0) {
  54                 res = (TimeSpan)(tv.tv_sec * 1000000 + tv.tv_usec) * 10;
  55                 return res;
  56         }
  57
  58         // XXX error
  59         return 0;
  60 }
  61
  62
  63 TimeSource::TimeSource (Deployment *deployment) : EventObject (deployment)
  64 {
  65         SetObjectType (Type::TIMESOURCE);
  66 }
  67
  68 TimeSource::TimeSource ()
  69 {
  70         SetObjectType (Type::TIMESOURCE);
  71 }
  72
  73 TimeSource::~TimeSource ()
  74 {
  75 }
  76
  77 void
  78 TimeSource::Start ()
  79 {
  80 }
  81
  82 void
  83 TimeSource::Stop ()
  84 {
  85 }
  86
  87 void
  88 TimeSource::SetTimerFrequency (int frequency)
  89 {
  90 }
  91
  92 TimeSpan
  93 TimeSource::GetNow ()
  94 {
  95         return 0;
  96 }
  97
  98 SystemTimeSource::SystemTimeSource (Deployment *deployment) : TimeSource (deployment)
  99 {
 100         SetObjectType (Type::SYSTEMTIMESOURCE);
 101         timeout_id = 0;
 102         frequency = -1;
 103 }
 104
 105 SystemTimeSource::SystemTimeSource ()
 106 {
 107         SetObjectType (Type::SYSTEMTIMESOURCE);
 108         timeout_id = 0;
 109         frequency = -1;
 110 }
 111
 112 SystemTimeSource::~SystemTimeSource ()
 113 {
 114         Stop();
 115 }
 116
 117 void
 118 SystemTimeSource::SetTimerFrequency (int timeout)
 119 {
 120         bool running = timeout_id != 0;
 121
 122         if (running)
 123                 Stop ();
 124
 125         frequency = timeout;
 126
 127         if (running)
 128                 Start ();
 129 }
 130
 131 void
 132 SystemTimeSource::Start ()
 133 {
 134         if (timeout_id != 0)
 135                 return;
 136
 137         if (frequency == -1)
 138                 g_warning ("SystemTimeSource::frequency uninitialized in ::Start()");
 139
 140         timeout_id = g_timeout_add_full (MOON_PRIORITY_DEFAULT, frequency, SystemTimeSource::tick_timeout, this, NULL);
 141 }
 142
 143 void
 144 SystemTimeSource::Stop ()
 145 {
 146         if (timeout_id != 0) {
 147                 g_source_remove (timeout_id);
 148                 timeout_id = 0;
 149         }
 150 }
 151
 152 TimeSpan
 153 SystemTimeSource::GetNow ()
 154 {
 155         return get_now ();
 156 }
 157
 158 gboolean
 159 SystemTimeSource::tick_timeout (gpointer data)
 160 {
 161         SystemTimeSource *source = (SystemTimeSource *)data;
 162
 163         source->SetCurrentDeployment ();
 164         source->Emit (TimeSource::TickEvent);
 165         return TRUE;
 166 }
 167
 168 ManualTimeSource::ManualTimeSource ()
 169 {
 170         SetObjectType (Type::MANUALTIMESOURCE);
 171         current_time = 0;
 172 }
 173
 174 ManualTimeSource::~ManualTimeSource ()
 175 {
 176 }
 177
 178 void
 179 ManualTimeSource::SetCurrentTime (TimeSpan current_time)
 180 {
 181         this->current_time = current_time;
 182         g_main_context_iteration (g_main_context_default (), false);
 183         Emit (TimeSource::TickEvent);
 184         Emit (TimeSource::TickEvent);
 185         Emit (TimeSource::TickEvent);
 186 }
 187
 188 TimeSpan
 189 ManualTimeSource::GetNow ()
 190 {
 191         return current_time;
 192 }
 193